EP4011844A4 - Optical glass, optical element, optical system, interchangeable lens, and optical device - Google Patents

Optical glass, optical element, optical system, interchangeable lens, and optical device Download PDF

Info

Publication number
EP4011844A4
EP4011844A4 EP19940611.7A EP19940611A EP4011844A4 EP 4011844 A4 EP4011844 A4 EP 4011844A4 EP 19940611 A EP19940611 A EP 19940611A EP 4011844 A4 EP4011844 A4 EP 4011844A4
Authority
EP
European Patent Office
Prior art keywords
optical
interchangeable lens
glass
optical system
optical element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP19940611.7A
Other languages
German (de)
French (fr)
Other versions
EP4011844A1 (en
Inventor
Kohei Yoshimoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nikon Corp
Original Assignee
Nikon Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nikon Corp filed Critical Nikon Corp
Publication of EP4011844A1 publication Critical patent/EP4011844A1/en
Publication of EP4011844A4 publication Critical patent/EP4011844A4/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/12—Silica-free oxide glass compositions
    • C03C3/23—Silica-free oxide glass compositions containing halogen and at least one oxide, e.g. oxide of boron
    • C03C3/247—Silica-free oxide glass compositions containing halogen and at least one oxide, e.g. oxide of boron containing fluorine and phosphorus
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/08—Auxiliary lenses; Arrangements for varying focal length
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/16—Microscopes adapted for ultraviolet illumination ; Fluorescence microscopes

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Glass Compositions (AREA)
EP19940611.7A 2019-08-06 2019-08-06 Optical glass, optical element, optical system, interchangeable lens, and optical device Pending EP4011844A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/030811 WO2021024366A1 (en) 2019-08-06 2019-08-06 Optical glass, optical element, optical system, interchangeable lens, and optical device

Publications (2)

Publication Number Publication Date
EP4011844A1 EP4011844A1 (en) 2022-06-15
EP4011844A4 true EP4011844A4 (en) 2023-05-03

Family

ID=74503966

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19940611.7A Pending EP4011844A4 (en) 2019-08-06 2019-08-06 Optical glass, optical element, optical system, interchangeable lens, and optical device

Country Status (5)

Country Link
US (1) US20220227660A1 (en)
EP (1) EP4011844A4 (en)
JP (2) JP7392724B2 (en)
CN (1) CN114450256A (en)
WO (1) WO2021024366A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112811815B (en) * 2021-01-21 2022-04-12 成都光明光电股份有限公司 Optical glass, glass preform, optical element and optical instrument

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4132258C1 (en) * 1991-09-27 1992-11-12 Schott Glaswerke, 6500 Mainz, De Optical glass - contg. oxide(s) of silicon, germanium, boron, aluminium, zinc, magnesium, sodium, potassium, lithium, strontium, barium, calcium, gadolinium, tantalum, lead, etc.
JPH1053434A (en) * 1996-08-08 1998-02-24 Nikon Corp Optical fluoride phosphate glass
JPH1160267A (en) * 1997-08-14 1999-03-02 Ohara Inc Fluorophosphate-based optical glass
JP5188269B2 (en) 2008-05-30 2013-04-24 Ｈｏｙａ株式会社 Optical glass, glass material for press molding, optical element blank, optical element, and production method thereof
JP5558755B2 (en) * 2009-08-06 2014-07-23 株式会社オハラ Optical glass, optical element and preform
JP5919595B2 (en) * 2010-05-18 2016-05-18 株式会社オハラ Optical glass, optical element and preform
JP5919594B2 (en) * 2010-12-15 2016-05-18 株式会社オハラ Optical glass, optical element and preform
JP5717432B2 (en) * 2010-12-15 2015-05-13 株式会社オハラ Optical glass, optical element and preform
CN102557438A (en) * 2010-12-20 2012-07-11 株式会社小原 Optical glass, optical element and perform blank
JP5690770B2 (en) * 2011-04-19 2015-03-25 株式会社オハラ Optical glass, optical element and preform
JP6174317B2 (en) * 2011-12-28 2017-08-02 株式会社オハラ Optical glass, optical element and preform
JP5721781B2 (en) * 2012-06-29 2015-05-20 株式会社オハラ Optical glass, optical element and preform
JP5927227B2 (en) * 2014-04-17 2016-06-01 株式会社住田光学ガラス Optical glass, precision press-molding preform, and optical element
JP6143706B2 (en) * 2014-04-25 2017-06-07 株式会社オハラ Optical glass, optical element and preform

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *

Also Published As

Publication number Publication date
JP7392724B2 (en) 2023-12-06
WO2021024366A1 (en) 2021-02-11
EP4011844A1 (en) 2022-06-15
US20220227660A1 (en) 2022-07-21
JP2024026121A (en) 2024-02-28
JPWO2021024366A1 (en) 2021-02-11
CN114450256A (en) 2022-05-06

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